699866998670 has 32 divisors (see below), whose sum is σ = 1439805855168. Its totient is φ = 239941156608.

The previous prime is 699866998669. The next prime is 699866998709. The reversal of 699866998670 is 76899668996.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1046474 + ... + 1579506.

It is an arithmetic number, because the mean of its divisors is an integer number (44993932974).

Almost surely, 2^699866998670 is an apocalyptic number.

699866998670 is an abundant number, since it is smaller than the sum of its proper divisors (739938856498).

699866998670 is a wasteful number, since it uses less digits than its factorization.

699866998670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551804.

The product of its (nonzero) digits is 3809369088, while the sum is 83.

The spelling of 699866998670 in words is "six hundred ninety-nine billion, eight hundred sixty-six million, nine hundred ninety-eight thousand, six hundred seventy".